core/rawdb, triedb/pathdb: fix freezer read-only option (#29823)

core/rawdb/freezer_resettable.go

@@ -33,6 +33,7 @@ type freezerOpenFunc = func() (*Freezer, error)
 // resettableFreezer is a wrapper of the freezer which makes the
 // freezer resettable.
 type resettableFreezer struct {
+	readOnly bool
 	freezer  *Freezer
 	opener   freezerOpenFunc
 	datadir  string
@@ -60,6 +61,7 @@ func newResettableFreezer(datadir string, namespace string, readonly bool, maxTa
 		return nil, err
 	}
 	return &resettableFreezer{
+		readOnly: readonly,
 		freezer:  freezer,
 		opener:   opener,
 		datadir:  datadir,
@@ -74,6 +76,9 @@ func (f *resettableFreezer) Reset() error {
 	f.lock.Lock()
 	defer f.lock.Unlock()
 
+	if f.readOnly {
+		return errReadOnly
+	}
 	if err := f.freezer.Close(); err != nil {
 		return err
 	}

triedb/pathdb/database.go

@@ -190,7 +190,7 @@ func (db *Database) repairHistory() error {
 		// all of them. Fix the tests first.
 		return nil
 	}
-	freezer, err := rawdb.NewStateFreezer(ancient, false)
+	freezer, err := rawdb.NewStateFreezer(ancient, db.readOnly)
 	if err != nil {
 		log.Crit("Failed to open state history freezer", "err", err)
 	}